MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 

MAC Vendor CSV database


You can download the data available in the online database as either a CSV, JSON or Cisco "vendorMacs.xml" format.
Each files contains 44K unique MACS.

MAC Vendor Database CSV

Unique MAC address: 44166
Updated: 27 October 2021

Format


Mac Prefix,Vendor Name,Private,Block Type,Last Updated
...
00:00:00,XEROX CORPORATION,false,MA-L,2015/11/17
...
                    

Attributes

Column nameDescription
Mac PrefixMAC address prefix
Vendor NameVendor/Company Name
PrivateIf true: Company name & address will not be displayed on public listing
Block Type

MAC address block:

MA-L: MAC Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
MA-M: MAC Address Block Medium. Number of address 2^20 (~1 Million)
MA-S: MAC Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
CID: Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)
Last UpdateWhen MAC information was last updated. Format (YYYY-MM-DD)